Add FFTW3 support to Makefiles, make OpenJpeg use OS lib for Linux.

And handful of whitespace clean ups.

extern/Makefile

@@ -42,8 +42,10 @@ ifeq ($(WITH_BINRELOC), true)
 endif
 
 ifeq ($(WITH_OPENJPEG), true)
+    ifndef BF_OPENJPEG
         DIRS += libopenjpeg
     endif
+endif
 
 ifeq ($(WITH_LZO), true)
     DIRS += lzo/minilzo

intern/smoke/intern/Makefile

@@ -41,6 +41,11 @@ ifeq ($(WITH_BF_OPENMP),true)
    CPPFLAGS += -DPARALLEL
 endif
 
+ifeq ($(WITH_FFTW3),true)
+    CPPFLAGS += -DFFTW3=1
+    CPPFLAGS += $(BF_FFTW3_INC)
+endif
+
 CPPFLAGS += -I.
 CPPFLAGS += -I../extern
 CPPFLAGS += -I$(NAN_PNG)/include

source/Makefile

@@ -188,7 +188,11 @@ ifeq ($(WITH_OPENEXR), true)
 endif
 
 ifeq ($(WITH_OPENJPEG), true)
+    ifndef BF_OPENJPEG_LIBS
         COMLIB += $(OCGDIR)/extern/openjpeg/$(DEBUG_DIR)libopenjpeg.a
+    else
+        COMLIB += $(BF_OPENJPEG_LIBS)
+    endif
 endif
 
 COMLIB += $(OCGDIR)/blender/imbuf/cineon/$(DEBUG_DIR)libcineon.a

source/blender/imbuf/intern/Makefile

@@ -49,7 +49,11 @@ ifeq ($(WITH_DDS), true)
 endif
 
 ifeq ($(WITH_OPENJPEG), true)
+    ifndef BF_OPENJPEG_INC
         CFLAGS += -DWITH_OPENJPEG -I../../../../extern/libopenjpeg
+    else
+        CFLAGS += -DWITH_OPENJPEG -I$(BF_OPENJPEG_INC)
+    endif
 endif
 
 CFLAGS += $(LEVEL_1_C_WARNINGS)

source/nan_definitions.mk

@@ -122,6 +122,7 @@ ifndef CONFIG_GUESS
     export WITH_OPENAL ?= false
     export WITH_JACK ?= false
     export WITH_SNDFILE ?= false
+    export WITH_FFTW3 ?= false
 
   ifeq ($(WITH_OPENAL), true)
     export NAN_OPENAL ?= /usr
@@ -350,6 +351,18 @@ ifndef CONFIG_GUESS
       export NAN_OPENEXR_LIBS ?= $(addprefix ${NAN_OPENEXR}/lib/lib,$(addsuffix .a,$(shell pkg-config --libs-only-l OpenEXR | sed -s "s/-l//g" )))
     endif
 
+    ifeq ($(WITH_FFTW3), true)
+      export BF_FFTW3 ?= $(shell pkg-config --variable=prefix fftw3 )
+      export BF_FFTW3_INC ?= $(shell pkg-config --variable=includedir fftw3 )
+      export BF_FFTW3_LIBS ?= $(shell pkg-config --libs fftw3 )
+    endif
+
+    ifeq ($(WITH_OPENJPEG), true)
+      export BF_OPENJPEG ?= /usr
+      export BF_OPENJPEG_INC ?= /usr/include
+      export BF_OPENJPEG_LIBS ?= -lopenjpeg
+    endif
+
     # Uncomment the following line to use Mozilla inplace of netscape
 
     # Location of MOZILLA/Netscape header files...

source/nan_link.mk

@@ -170,4 +170,8 @@ ifeq ($(WITH_BF_OPENMP),true)
    LLIBS += -lgomp
 endif
 
+ifeq ($(WITH_FFTW3),true)
+    LLIBS += $(BF_FFTW3_LIBS)
+endif
+
 LLIBS += $(NAN_PYTHON_LIB)